There are a few criteria one can use for choosing intervals.
- make the intervals as uniform as possible
- cover the range in a "reasonable" number of intervals
- appropriately reflect the data distribution
- make the boundaries unambiguous
Selection B has boundaries that overlap, so can be ruled out immediately. Selection D has ranges that go from 19 to 9, so does not have very uniform intervals. Likewise, selection A defines the first interval to be twice the width of the others, so it isn't a good choice, either.
IMO, the best of the offered choices is ...
... C.) 20–34, 35–49, 50–64, 65–79
To find net income, find the money mr. hall gained, and subtract how much he loss
Gains:
$15,000 $1346
$258 $1598
$2562 $48
total: $17,280
Losses:
$1346
$1598
$48
total: $2992
17,280 - 2992=
$14,288 net income
I got V = X to the power of 5
Answer:
x = 1
y = 3
Explanation:
2 x 3 = 6
6 + 1 = 7
